CLAS Physics Database

Measurement E9M216

Experiment: E-89-037 Electroproduction of the P33(1232) Resonance
Year: 2002

Experiment comment:

Release 1 - Data replay: recsis prod-1-9. RC and acceptance: aao_rad+MAID98
Spokespersons: V. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.7 — 0.8 GeV2
W: 1.54 GeV
ε: 0.725
Publication:
K. Joo, L. C. Smith, V. D. Burkert, R. Minehart, I. G. Aznauryan, L. Elouadrhiri, S. Stepanyan, and CLAS Collaboration Q2 Dependence of Quadrupole Strength in the γ*p --> Δ+(1232) --> pπ0 Transition // Phys. Rev. Let. 88, 122001 (2002)

Slice: cos(θπ) = dimensionless

Measurement data
cos(θπ) φπ, [deg] dσ/dΩ, [μb/sr] uncertainty syst. uncert.
-0.9 15.0 0.751 0.348 0.2795
-0.9 45.0 0.867 0.353 0.3567
-0.9 75.0 0.98 0.489 0.2308
-0.9 105.0 0.544 0.214 0.8982
-0.9 135.0 1.94 1.07 1.167
-0.9 165.0 1.45 0.526 0.2519
-0.9 195.0 0.696 0.283 0.1605
-0.9 225.0 1.02 0.478 0.2718
-0.9 255.0 0.57 0.315 0.066
-0.9 285.0 1.23 0.532 0.3485
-0.9 315.0 0.627 0.28 0.1549
-0.9 345.0 0.249 0.132 0.2153
-0.7 15.0 0.738 0.233 0.0821
-0.7 45.0 1.02 0.305 0.1942
-0.7 75.0 1.12 0.531 0.1869
-0.7 105.0 3.16 1.61 0.5299
-0.7 165.0 1.54 0.817 1.9255
-0.7 195.0 4.32 2.2 0.6262
-0.7 255.0 11.2 9.16 7.2958
-0.7 285.0 2.04 0.912 0.6414
-0.7 315.0 0.656 0.252 0.1613
-0.7 345.0 0.651 0.19 0.0622
-0.5 15.0 0.922 0.261 0.1274
-0.5 45.0 0.634 0.304 0.108
-0.5 75.0 1.36 0.611 0.3838
-0.5 105.0 1.6 0.546 0.2811
-0.5 135.0 1.58 0.496 0.2501
-0.5 165.0 1.69 2.08 1.503
-0.5 225.0 1.93 0.735 0.6358
-0.5 255.0 1.09 0.367 0.1892
-0.5 285.0 0.324 0.237 0.0832
-0.5 315.0 0.928 0.39 0.1592
-0.5 345.0 1.03 0.269 0.1913
-0.3 15.0 1.3 0.34 0.2265
-0.3 45.0 0.854 0.326 0.0568
-0.3 75.0 1.32 0.479 0.1409
-0.3 105.0 2.4 0.536 0.2356
-0.3 135.0 1.99 0.455 0.2952
-0.3 165.0 3.05 1.64 2.3303
-0.3 195.0 1.5 0.927 3.2715
-0.3 225.0 1.36 0.315 0.2778
-0.3 255.0 2.95 0.615 0.587
-0.3 285.0 1.63 0.502 0.1879
-0.3 315.0 2.39 0.634 0.4793
-0.3 345.0 1.22 0.326 0.0397
-0.1 15.0 0.495 0.24 0.1203
-0.1 45.0 1.26 0.4 0.2874
-0.1 75.0 1.76 0.457 0.1028
-0.1 105.0 2.28 0.399 0.1277
-0.1 135.0 3.28 0.736 0.4527
-0.1 195.0 19.0 21.3 10.0405
-0.1 225.0 2.58 0.583 0.3696
-0.1 255.0 2.45 0.448 0.2948
-0.1 285.0 1.85 0.436 0.2728
-0.1 315.0 2.55 0.687 0.2566
-0.1 345.0 0.671 0.323 0.2794
0.1 15.0 3.06 0.99 0.7404
0.1 45.0 1.17 0.427 0.1532
0.1 75.0 2.16 0.466 0.4276
0.1 105.0 2.01 0.392 0.1933
0.1 135.0 1.68 0.478 0.36
0.1 225.0 3.12 0.868 0.5401
0.1 255.0 1.78 0.33 0.2703
0.1 285.0 2.09 0.424 0.3692
0.1 315.0 2.23 0.767 0.1011
0.1 345.0 1.1 0.464 0.1099
0.3 15.0 0.58 0.261 0.1382
0.3 45.0 2.15 0.795 0.2793
0.3 75.0 2.4 0.476 0.4436
0.3 105.0 3.04 0.541 0.0854
0.3 135.0 2.89 0.841 0.3264
0.3 195.0 11.0 12.8 4.9901
0.3 225.0 2.15 0.742 1.1041
0.3 255.0 2.48 0.476 0.265
0.3 285.0 1.81 0.372 0.2747
0.3 315.0 0.769 0.313 0.075
0.3 345.0 1.84 0.652 0.126
0.5 15.0 0.46 0.248 0.0161
0.5 45.0 1.11 0.439 0.092
0.5 75.0 2.34 0.508 0.1137
0.5 105.0 1.67 0.342 0.3193
0.5 135.0 2.79 1.21 0.4446
0.5 165.0 0.471 0.255 0.4922
0.5 195.0 3.08 1.96 0.6522
0.5 225.0 0.537 0.283 0.0771
0.5 255.0 3.24 0.62 0.5149
0.5 285.0 1.24 0.255 0.3795
0.5 315.0 1.17 0.412 0.1693
0.5 345.0 0.885 0.358 0.2505
0.7 15.0 0.719 0.295 0.3347
0.7 45.0 0.913 0.394 0.2745
0.7 75.0 0.947 0.251 0.1891
0.7 105.0 1.52 0.394 0.143
0.7 135.0 0.499 0.31 0.0971
0.7 165.0 1.37 1.15 0.701
0.7 195.0 0.81 0.665 0.1511
0.7 225.0 1.88 1.02 0.6597
0.7 255.0 1.07 0.282 0.0791
0.7 285.0 1.56 0.405 0.2048
0.7 315.0 0.288 0.177 0.0544
0.7 345.0 1.53 0.744 0.3975
0.9 15.0 1.64 0.726 0.3338
0.9 45.0 0.369 0.189 0.3207
0.9 75.0 1.38 0.501 0.2228
0.9 105.0 1.51 0.589 0.5635
0.9 135.0 0.531 0.423 0.1309
0.9 165.0 1.95 2.76 1.1541
0.9 225.0 0.316 0.239 0.1308
0.9 255.0 0.895 0.313 0.058
0.9 285.0 0.62 0.201 0.069
0.9 315.0 0.895 0.429 0.4557
0.9 345.0 0.589 0.285 1.0085